IO-Link System with Diagnostic Channel

2. The IO-Link system according to claim 1, wherein the at least one IO-Link master has a plurality of IO-Link ports, and the data channel (K1) is fed to one of the plurality of IO-Link ports of the at least one IO-Link master and the diagnostic channel (K2) is fed to another of the plurality of IO-Link ports of the at least one IO-Link master (1).

3. The IO-Link system according to claim 1, wherein two IO-Link masters are provided, and the data channel (K1) is fed to one of the at least one IO-Link masters and the diagnostic channel (K2) is fed to the other at least one IO-Link master.

4. The IO-Link system according to claim 1, wherein a connection between the at least one IO-Link master and a primary side of the at least one IO-Link infrastructure component is realised as a 4-pole or 5-pole plug connection.

5. The IO-Link system according to claim 1, wherein the at least one IO-Link-capable infrastructure component is an IO-Link-capable inductive coupler.

6. The IO-Link system of claim 1, wherein the diagnostic data a current state of the infrastructure component.

7. IO-Link system of claim 1, wherein the diagnostic data is a current state of an environment of the infrastructure component.

8. The IO-Link system according to claim 4, wherein the data channel (K1) is routed via a pin (Pin 4) of the plug connection and the diagnostic channel (K2) is routed via another pin (Pin 2) of the plug connection.

9. The IO-Link system of claim 6, wherein the current state is at least one of an input voltage, an output current, an efficiency of energy transmission, an intrinsic temperature, and a signal quality.

10. The IO-Link system of claim 7, wherein the current state is at least one of a vibration, an ambient temperature, a humidity, a temperature gradient, and a humidity gradient.

12. The method of claim 11, wherein the diagnostic data is a current state of the infrastructure component.

13. The method of claim 11, wherein the diagnostic data is a current state of an environment of the infrastructure component.

14. The method of claim 12, wherein the current state is at least one of an input voltage, an output current, an efficiency of energy transmission, an intrinsic temperature, and a signal quality.

15. The method of claim 13, wherein the current state is at least one of a vibration, an ambient temperature, a humidity, a temperature gradient, and a humidity gradient.